date:May 26, 2014
lies and build more-secure livelihoods
The peanut grown in fields today is the result of a natural cross between two wild species, Arachis duranensis and Arachis ipaensis that occurred in the north of Argentina between 4,000 and 6,000 years ago. Because its ancestors were two different species, todays peanut is a tetraploid, meaning the species carries two separate genomes which are designated A and B sub-genomes.
University of California, Davis genome researchers Lutz Froenicke and Richard Mi